Every internet business provides great service to generate satisfaction among their customers. As each and every customer receives satisfaction over their products or the services they get, there is a great chance that they will become a return customer and buy again. Better yet, they will recommend you to other people that could generate more business for you and your site.
As more traffic is driven to your site, you can entice many of them to subscribe to your mailing list or opt-in list. This is a list where in website visitors agree to be sent promotional materials such as newsletters, catalogs and such that could keep them updated about your site or the niche of your site. These promotional materials are sent via e-mail to the members of the list in different time intervals.
When using e-mail as the media of your internet marketing and advertisements, you eliminate the need for high costs. Email is free and if you can manage to make your own promotional advertisements you can also save a bundle there. With an opt-in subscribers list, you are pretty sure that what you are sending out is received, viewed and read by the subscribers and not simply being deleted. They have signed up for service and have consented in receiving it.